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aleksandrvk [35]
3 years ago
7

Summarize the four steps to natural selection

Biology
1 answer:
Anna11 [10]3 years ago
5 0

Overproduction - An organism gives birth to too many children

Genetic Variation - The offspring each have genetic differences in appearance, behavior, etc

Struggle to Survive - Offspring must fight in order to gain essential resources (food, water, mates, etc)

Successful Reproduction - Organism produces offspring with beneficial adaptations that aid in survival

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Because it helps the planet

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What is an example of an elevation change
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<em>For example,</em>

<em> consider a mountain whose summit is 5,000 feet (1,500 m) in elevation, but somewhere on the way up, the trail goes back down 250 feet (76 m). ... </em>

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5 0
2 years ago
What factors allow a pool of 20 amino acids to produce thousands of unique proteins? (select the 3 that apply.)?
dsp73
The possible answers are:
A. Variation in length of the amino acid backbone
B. Each protein is encoded by a distinct gene
C. Variations in the type of peptide bond
D. Variations in the glycosidic linkage
E. Variation in tertiary structure
<span>F. Variations in which amino acids are used

The correct answers are A,E and F
There are only 20 amino acids that make all of the proteins in our bodies. However, there are options for protein variation are almost unlimited.
Firstly, you can vary the number of different amino acid that you use to make a protein.
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And thirdly, when an amino acid chain is formed different parts of the chain interact with each other, bonding chemically, forming different 3-dimensional structures of the protein.
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What is the diameter of one algal cell
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